TYAN S1846 User Manual page 50

Chapter 4
BIOS Configuration
If this option is set to Enabled, the SDRAM Power Down feature is enabled.
The settings are Enabled or Disabled.
ACPI Control Register
Set this option to Enabled to enable the ACPI (Advanced Configuration and
Power Interface) control register. The settings are Enabled or Disabled.
Gated Clock
Set this option to Enabled to enable the gated clock. The settings are Enabled
or Disabled.
Graphics Aperture Size
This option specifies the amount of system memory that can be used by the
Accelerated Graphics Port (AGP). The settings are 4 MB, 8 MB, 16 MB, 32 MB,
64 MB, 128 MB, or 256 MB.
Search for MDA Resources
Set this option to Yes to let AMIBIOS search for MDA resources. The settings
are Yes or No.
AGP Mlti-Trans Timer (AGP Clks)
This option sets the AGP multi-trans timer. The settings are in units of AGP
Clocks. The settings are Disabled, 32, 64, 96, 128, 160, 192, or 224.
AGP Low-Priority Timer (Clks)
This option sets the AGP low priority timer. The settings are in units of AGP
Clocks. The settings are Disabled, 32, 64, 96, 128, 160, 192, or 224.
AGP SERR
Set this option to Enabled to enable the AGP SERR# signal. The settings are
Enabled or Disabled.
AGP Parity Error Response
Set this option to Enabled to enable AGP parity error response. The settings
are Enabled or Disabled.
8bit I/O Recovery Time
This option specifies the length of a delay inserted between consecutive 8-bit
I/O operations. The settings are Disabled and from 1 to 8 Sysclk (system
clocks) in increments of one.
16bit I/O Recovery Time
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